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Organometallic compounds

Dimethyldiethyllead

Also known as Me2Et2Pb, Diethyldimethyllead, Diethyldimethylplumbane

CAS 1762-27-2Formula C6H16PbMolar mass 295.39 g/molEC 217-170-9
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Dimethyldiethyllead chemical structure, C6H16Pb, CAS 1762-27-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Boiling point
51 °C
Density
1.79 g/cm³ at 20 °C
Flash point
-1.1 to 60.6
HS code
293110
Category
Organometallic compounds
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Dimethyldiethyllead?

Plain description, key identifiers and synonyms

Dimethyldiethyllead is a chemical substance with the molecular formula C6H16Pb and a molar mass of 295.39 g/mol. Its CAS registry number is 1762-27-2. The IUPAC name is diethyl(dimethyl)plumbane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
diethyl(dimethyl)plumbane
CAS number
1762-27-2 CAS number cross-checked
EC number
217-170-9
Molecular formula
C6H16Pb
UNII
L220694J4V
InChIKey
OLOAJSHVLXNSQV-UHFFFAOYSA-N
InChI
InChI=1S/2C2H5.2CH3.Pb/c2*1-2;;;/h2*1H2,2H3;2*1H3;
SMILES (canonical and isomeric)
CC[Pb](C)(C)CC

Synonyms

  • Me2Et2Pb
  • Diethyldimethyllead
  • Diethyldimethylplumbane
  • Lead, diethyldimethyl-
  • Plumbane, diethyldimethyl-
  • Diethyldimethyl lead
  • Diethyldi(methyl)plumbane
  • Diethyl(dimethyl)plumbane #

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Colorless liquidexp.
Boiling point
51 °Cexp.
Density
1.79 g/cm³ at 20 °Cexp.
Flash point
-1.1 to 60.6exp.
Vapour pressure
2.2 mm Hg at 25 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
295.39 g/molcalc.
Exact mass
296.1019 Dacalc.
LogP (octanol/water)
2.73calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
2calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Dimethyldiethyllead suppliers

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Dimethyldiethyllead price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Gasoline additive.

Antiknock agents in aviation gasoline (Lead alkyl, mixed).

The predominant use for tetramethyl lead is as an octane improver, or anti-knock additive ... In some older engines the lead also provides an essential source fo solid lubricant for the valve gear.

How it is made

Component of reaction product mixtures of tetraalkyl lead compounds produced by catalytic equilibration between varying amounts of tetraethyl & tetramethyl leads

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Dimethyldiethyllead is traded under.

HS 2931.10Indicative HS code

Tetramethyl lead and tetraethyl lead

World exports in 2024
$22M
+488% vs 2023, imports $19.5M
2019 to 2024
Top exporters
  1. Netherlands82.8%
  2. United Kingdom4.8%
  3. United States4.2%
Top importers
  1. France * partner reported29.7%
  2. Thailand19.5%
  3. Netherlands12.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Dimethyldiethyllead is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Dimethyldiethyllead, based on the data on this page

What is Dimethyldiethyllead?

Dimethyldiethyllead is a chemical substance with the molecular formula C6H16Pb and a molar mass of 295.39 g/mol. Its CAS registry number is 1762-27-2. The IUPAC name is diethyl(dimethyl)plumbane.

What is the CAS number of Dimethyldiethyllead?

The CAS registry number of Dimethyldiethyllead is 1762-27-2.

What is the molecular formula and weight of Dimethyldiethyllead?

The molecular formula of Dimethyldiethyllead is C6H16Pb and its molar mass is 295.39 g/mol.

What is Dimethyldiethyllead used for?

Gasoline additive. Antiknock agents in aviation gasoline (Lead alkyl, mixed). The predominant use for tetramethyl lead is as an octane improver, or anti-knock additive ... In some older engines the lead also provides an essential source fo solid lubricant for the valve gear.

Is Dimethyldiethyllead hazardous?

No GHS hazard classification for Dimethyldiethyllead is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Dimethyldiethyllead?

Dimethyldiethyllead is usually classified under HS code 293110 (Tetramethyl lead and tetraethyl lead). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dimethyldiethyllead?

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What is the price of Dimethyldiethyllead?

Suppliers quote Dimethyldiethyllead on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Dimethyldiethyllead

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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